/*
 * Copyright (C) 2015 EfficiOS Inc.
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 */

#include <common/utils.hpp>

#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <tap/tap.h>

/* For error.h */
int lttng_opt_quiet = 1;
int lttng_opt_verbose = 3;
int lttng_opt_mi;

namespace {
struct valid_test_input {
	const char *input;
	uint64_t expected_result;
};

/* Valid test cases */
struct valid_test_input valid_tests_inputs[] = {
	{ "0", 0 },	      { "1234", 1234 },	     { "1234us", 1234 }, { "16ms", 16000 },
	{ "128ms", 128000 },  { "32s", 32000000 },   { "1m", 60000000 }, { "20m", 1200000000 },
	{ "1h", 3600000000 }, { "5h", 18000000000 }, { "00", 0 },	 { "0us", 0 },
	{ "0ms", 0 },	      { "0s", 0 },	     { "0m", 0 },	 { "0h", 0 },
	{ "00us", 0 },	      { "00ms", 0 },	     { "00s", 0 },	 { "00m", 0 },
	{ "00h", 0 },	      { "12ms", 12000 },     { "3597us", 3597 }, { "+5", 5 },
	{ "08", 8 },	      { "0145us", 145 },
};
const int num_valid_tests = sizeof(valid_tests_inputs) / sizeof(valid_tests_inputs[0]);

/* Invalid test cases */
const char *invalid_tests_inputs[] = {
	"",
	" ",
	"-1",
	"m",
	"4611686018427387904s",
	"0x40M",
	"0x",
	"x0",
	"0xx0",
	"07mm",
	"0xm",
	"0Xs",
	"0x0ss",
	"0a",
	"0B",
	"0x3 s",
	"0xbs ",
	"14ns",
	"0xbs",
	"14ns",
	"14ms garbage after value",
	"0x14s",
	"0u",
	"5mS",
	"5Ms",
	"12ussr",
	"67msrp",
	"14si",
	"12mo",
	"53hi",
};
const int num_invalid_tests = sizeof(invalid_tests_inputs) / sizeof(invalid_tests_inputs[0]);
} /* namespace */

static void test_utils_parse_time_suffix()
{
	uint64_t result;
	int ret;
	int i;

	/* Test valid cases */
	for (i = 0; i < num_valid_tests; i++) {
		char name[256];

		ret = utils_parse_time_suffix(valid_tests_inputs[i].input, &result);
		sprintf(name,
			"valid test case: %s expected %" PRIu64,
			valid_tests_inputs[i].input,
			result);
		ok(ret == 0 && result == valid_tests_inputs[i].expected_result, "%s", name);
	}

	/* Test invalid cases */
	for (i = 0; i < num_invalid_tests; i++) {
		char name[100];

		sprintf(name, "invalid test case: %s", invalid_tests_inputs[i]);

		ret = utils_parse_time_suffix(invalid_tests_inputs[i], &result);
		ok(ret != 0, "%s", name);
	}
}

int main()
{
	plan_tests(num_valid_tests + num_invalid_tests);

	diag("utils_parse_time_suffix tests");

	test_utils_parse_time_suffix();

	return exit_status();
}
